FR543392A - Illuminated sign device - Google Patents

Illuminated sign device

Info

Publication number
FR543392A
FR543392A FR543392DA FR543392A FR 543392 A FR543392 A FR 543392A FR 543392D A FR543392D A FR 543392DA FR 543392 A FR543392 A FR 543392A
Authority
FR
France
Prior art keywords
illuminated sign
sign device
illuminated
sign
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Gabriel Michelin De Parnys
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR543392A publication Critical patent/FR543392A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR543392D 1921-11-08 1921-11-08 Illuminated sign device Expired FR543392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR543392T 1921-11-08

Publications (1)

Publication Number Publication Date
FR543392A true FR543392A (en) 1922-09-01

Family

ID=8931575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543392D Expired FR543392A (en) 1921-11-08 1921-11-08 Illuminated sign device

Country Status (1)

Country Link
FR (1) FR543392A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473190A1 (en) * 1980-01-04 1981-07-10 Letoqueux Serge Multiple line or slide projection system with microprocessor - uses mirrors to reflect multiple screens defining hexagon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473190A1 (en) * 1980-01-04 1981-07-10 Letoqueux Serge Multiple line or slide projection system with microprocessor - uses mirrors to reflect multiple screens defining hexagon

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